Answer in brief
CVE-2026-84743 records a Low severity (CVSS 3.8) vulnerability in The Events Calendar 6.15.16.1 - 6.17.4.1 - Contributor+ Event/Venue/Organizer Update, Trash and Ownership Takeover via by-slug REST Routes. The current sources do not mark it as known exploited. The current feed maps Unknown/The Events Calendar (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 3.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/The Events Calendar (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/The Events Calendargeneric | >=6.15.16.1 <6.17.5 | 6.17.5 |
Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 23, 2026
The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.
Quoted source text, attributed separately from HOL analysis.